@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Inter:wght@400;500;600&display=swap');

:root {
    --black: #0a0a0a;
    --white: #ffffff;
    --gray: #666;
    --light: #f5f5f5;
    --accent: #e63946;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family:'Inter',sans-serif; color:var(--black); background:var(--white); line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
h1,h2,h3,h4 { font-family:'Montserrat',sans-serif; }
img { max-width:100%; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 16px; }

/* HEADER */
.header { padding:14px 0; border-bottom:1px solid #eee; text-align:center; position:sticky; top:0; background:rgba(255,255,255,.97); backdrop-filter:blur(8px); z-index:100; }
.header h1 { font-size:24px; letter-spacing:6px; font-weight:900; }

/* HERO */
.hero { padding:40px 0 60px; }
.hero-wrap { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }

/* ===== SLIDER ===== */
.slider { position:relative; overflow:hidden; background:#f0f0f0; cursor:pointer; }
.slider-track { display:flex; transition:transform .4s ease; }
.slider-track img { min-width:100%; height:520px; object-fit:cover; flex-shrink:0; }
.slider-btn { position:absolute; top:50%; transform:translateY(-50%); background:rgba(0,0,0,.5); color:#fff; border:none; width:44px; height:44px; font-size:20px; cursor:pointer; z-index:2; transition:background .3s; display:flex; align-items:center; justify-content:center; }
.slider-btn:hover { background:rgba(0,0,0,.8); }
.prev { left:10px; }
.next { right:10px; }
.slider-dots { position:absolute; bottom:12px; left:50%; transform:translateX(-50%); display:flex; gap:8px; z-index:2; }
.slider-dots span { width:10px; height:10px; border-radius:50%; background:rgba(255,255,255,.5); cursor:pointer; transition:background .3s; }
.slider-dots span.active { background:#fff; }

/* ===== LIGHTBOX ===== */
.lightbox { display:none; position:fixed; inset:0; background:rgba(0,0,0,.92); z-index:9999; align-items:center; justify-content:center; }
.lightbox.open { display:flex; }
.lightbox img { max-width:90vw; max-height:90vh; object-fit:contain; }
.lb-close { position:absolute; top:20px; right:25px; background:none; border:none; color:#fff; font-size:40px; cursor:pointer; z-index:10; }
.lb-btn { position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.15); border:none; color:#fff; width:50px; height:50px; font-size:24px; cursor:pointer; z-index:10; transition:background .3s; display:flex; align-items:center; justify-content:center; }
.lb-btn:hover { background:rgba(255,255,255,.3); }
.lb-prev { left:15px; }
.lb-next { right:15px; }

/* HERO INFO */
.hero-info { position:sticky; top:80px; }
.hero-info h2 { font-size:36px; line-height:1.1; margin-bottom:12px; text-transform:uppercase; letter-spacing:-0.5px; }
.hero-info .sub { font-size:16px; color:var(--gray); margin-bottom:24px; }
.price-row { display:flex; align-items:center; gap:12px; margin-bottom:28px; flex-wrap:wrap; }
.price-tag { font-family:'Montserrat'; font-size:32px; font-weight:900; }
.ship-badge { background:var(--black); color:var(--white); padding:6px 14px; font-size:11px; font-weight:700; letter-spacing:1.5px; text-transform:uppercase; }

/* SWATCHES */
.swatch-label { font-size:11px; text-transform:uppercase; font-weight:700; color:var(--gray); margin-bottom:12px; letter-spacing:1.5px; }
.swatches { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-bottom:30px; }
.swatch { cursor:pointer; border:2px solid transparent; transition:all .25s; text-align:center; }
.swatch img { width:100%; height:100px; object-fit:cover; }
.swatch span { display:block; font-size:11px; font-weight:600; padding:6px 0; background:var(--light); letter-spacing:.3px; }
.swatch:hover, .swatch.active { border-color:var(--black); }
.swatch.active span { background:var(--black); color:var(--white); }

.btn-order { display:block; width:100%; padding:18px; background:var(--black); color:var(--white); text-align:center; text-decoration:none; font-family:'Montserrat'; font-weight:800; font-size:15px; letter-spacing:2px; text-transform:uppercase; border:none; cursor:pointer; transition:background .3s; }
.btn-order:hover { background:var(--accent); }

/* SIZE CHART */
.size-section { padding:70px 0; background:var(--light); }
.sec-title { text-align:center; font-size:32px; text-transform:uppercase; letter-spacing:1px; margin-bottom:10px; }
.sec-desc { text-align:center; color:var(--gray); margin-bottom:40px; font-size:15px; }
.size-table { width:100%; max-width:700px; margin:0 auto; border-collapse:collapse; background:var(--white); }
.size-table th,.size-table td { padding:16px 20px; text-align:center; border-bottom:1px solid #eee; font-size:15px; }
.size-table th { font-family:'Montserrat'; font-size:12px; color:var(--gray); letter-spacing:1px; text-transform:uppercase; }
.size-table td:first-child { font-weight:700; font-family:'Montserrat'; }
.size-table tr:hover { background:#fafafa; }
.size-note { max-width:700px; margin:20px auto 0; background:#fff8e1; padding:16px 20px; font-size:14px; color:#6d5800; text-align:center; font-style:italic; }

/* FEATURES */
.features { padding:80px 0; background:var(--black); color:var(--white); }
.features .sec-title { color:var(--white); }
.features .sec-desc { color:#999; }
.feat-grid { display:grid; grid-template-columns:1fr 1fr; gap:30px; margin-bottom:60px; }
.feat-card { overflow:hidden; }
.feat-card img { width:100%; height:420px; object-fit:cover; filter:brightness(.9); transition:filter .4s; }
.feat-card:hover img { filter:brightness(1); }
.feat-card h3 { font-size:20px; margin:20px 0 10px; text-transform:uppercase; letter-spacing:.5px; }
.feat-card p { color:#aaa; font-size:15px; line-height:1.7; }
.trust-row { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; text-align:center; padding-top:50px; border-top:1px solid #333; }
.trust-row h4 { font-size:15px; margin-bottom:8px; text-transform:uppercase; letter-spacing:1px; }
.trust-row p { font-size:13px; color:#888; }

/* FORM */
.order-section { padding:80px 0; background:var(--light); }
.form-box { max-width:600px; margin:0 auto; background:var(--white); padding:50px 40px; box-shadow:0 20px 50px rgba(0,0,0,.06); }
.form-box h2 { font-size:26px; text-align:center; margin-bottom:35px; text-transform:uppercase; letter-spacing:1px; }
.fg { margin-bottom:22px; }
.fg label { display:block; font-family:'Montserrat'; font-size:11px; font-weight:700; color:var(--gray); margin-bottom:8px; letter-spacing:1.5px; text-transform:uppercase; }
.fg input,.fg select,.fg textarea { width:100%; padding:14px; border:1px solid #ddd; font-family:'Inter'; font-size:15px; transition:border-color .3s; background:var(--white); border-radius:0; -webkit-appearance:none; }
.fg input:focus,.fg select:focus,.fg textarea:focus { outline:none; border-color:var(--black); }
.fg select { cursor:pointer; }
.fg textarea { height:60px; resize:none; }
.fg-row { display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; }
.summary-bar { display:flex; justify-content:space-between; align-items:center; border-top:2px solid var(--black); border-bottom:2px solid var(--black); padding:18px 0; margin:30px 0; }
.summary-bar span { font-family:'Montserrat'; font-weight:800; font-size:16px; text-transform:uppercase; letter-spacing:1px; }
.summary-bar .total-price { font-size:26px; color:var(--accent); }
.btn-submit { width:100%; padding:20px; background:var(--black); color:var(--white); border:none; font-family:'Montserrat'; font-size:16px; font-weight:800; letter-spacing:2px; text-transform:uppercase; cursor:pointer; transition:background .3s; }
.btn-submit:hover { background:var(--accent); }
.btn-submit:disabled { background:#ccc; cursor:not-allowed; }
.alert { padding:16px; margin-bottom:20px; text-align:center; font-weight:600; font-size:14px; display:none; }
.alert-success { background:var(--black); color:var(--white); }
.alert-error { background:var(--accent); color:var(--white); }

/* FOOTER */
footer { background:var(--black); color:#888; padding:60px 0 30px; }
.foot-inner { max-width:800px; margin:0 auto; text-align:center; }
footer h3 { color:var(--white); font-size:18px; letter-spacing:4px; margin-bottom:16px; }
footer p { font-size:13px; margin-bottom:8px; }
.foot-links { display:flex; justify-content:center; gap:25px; margin:30px 0; flex-wrap:wrap; }
.foot-links a { color:#888; text-decoration:none; font-size:11px; text-transform:uppercase; letter-spacing:1px; font-weight:600; transition:color .3s; }
.foot-links a:hover { color:var(--white); }
.copy { font-size:11px; margin-top:40px; padding-top:20px; border-top:1px solid #222; letter-spacing:1px; }

/* RESPONSIVE */
@media(max-width:768px) {
    .hero-wrap { grid-template-columns:1fr; }
    .slider-track img { height:360px; }
    .hero-info { position:static; text-align:center; }
    .hero-info h2 { font-size:28px; }
    .price-row { justify-content:center; }
    .swatches { grid-template-columns:repeat(4,1fr); gap:6px; }
    .swatch img { height:75px; }
    .swatch span { font-size:9px; padding:4px 0; }
    .feat-grid { grid-template-columns:1fr; }
    .feat-card img { height:300px; }
    .trust-row { grid-template-columns:1fr; gap:30px; }
    .form-box { padding:30px 16px; }
    .fg-row { grid-template-columns:1fr; }
    .sec-title { font-size:24px; }
    .summary-bar .total-price { font-size:22px; }
}